2020 Trek Marlin 5

Modest component level aluminum frame crosscountry bike

View on trekbikes.com

2020 Trek Marlin 5
  • MSRP $550
  • Suspension Hardtail
  • Front Travel 100mm
  • Frame Aluminum
  • Fork 
  • Wheels 27.5″ Aluminum
  • Drivetrain 3 × 7
  • Groupset 
    Shimano Tourney

3 × 7 — 21 speed

2020 Trek Marlin 5
25 mph
Similar Bikes
26 mph

Similar bikes are easier to ride up hills than the 2020 Marlin 5.

The 2020 Marlin 5 won‘t keep up with similar bikes while riding downhill or sprinting.


Oh snap! This frame was drawn from the actual bike geometry measurements. Roll over the table below to highlight frame dimensions.

Stack 565574598598608626641
Reach 376385418434451466480
Stack/Reach Ratio1.501.491.431.381.351.341.34
Top Tube Length 543555595611631652670
Seat Tube Length 343368419444470521559
Seat Tube Angle73.573.573.573.573.573.573.5
Head Tube Length 90909090100120135
Head Tube Angle69.569.569.569.569.569.569.5
BB Drop 58485858585858
BB Height 297307297297297297297
Front Center 618632677693713735754
Chainstay Length 438438438438438438438
Wheelbase 1,0491,0661,1091,1251,1451,1671,186
Rake 46465151515150
Standover Height 705728743750747750783
🐐 Measurements listed in millimeters and degrees
FrameAlpha Silver Aluminum, internal routing, chainstay disc brake mount, rack and kickstand mount, 135x5mm QR
ForkSR Suntour XCE 28, coil spring, preload, 100mm travel (13.5: 80mm travel)
Bottom BracketSealed cartridge, 73mm
Headset1-1/8˝ threadless, semi-integrated, semi-cartridge bearings
StemBontrager alloy, 31.8mm, 7 degree, Blendr compatible
HandlebarBontrager alloy, 31.8mm, 5mm rise
SaddleBontrager Arvada
SeatpostBontrager alloy, 2-bolt head, 31.6mm, 12mm offset
PedalsVP-536 nylon platform
GripsBontrager XR Endurance Comp, lock-on
Front DerailleurShimano Tourney TY300
Rear DerailleurShimano Tourney TY300
ShiftersShimano Altus M310, 7 speed
CrankShimano Tourney TY301, 42/34/24
CassetteShimano TZ500, 14-28, 7 speed
ChainKMC Z51
BrakesTektro HD-275 hydraulic disc (13.5 & 15.5: Tektro HD-276 short reach lever)
RimsBontrager Connection 32-hole double-walled
Front HubFormula DC20 alloy
Rear HubFormula DC31 alloy
TiresBontrager XR2, 29x2.20˝ front, 29x2.0˝ rear (13.5 & 15.5: 27.5x2.20˝)
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2020 Trek Marlin 5